package June;

import java.util.Scanner;

public class DAY0606 {
    //跳台阶扩展问题
    public int jumpFloorII (int number) {
        // write code here
        //斐波那契数问题
        if (number == 0){
            return 0;
        }
        return (int) Math.pow(2,number-1);
    }
    //快到碗里来
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double pi = 3.14;
        while (scanner.hasNext()){
            double n = scanner.nextDouble();
            double r = scanner.nextDouble();

            //比较喵的身长和碗的周长
            double perimeter = r*2*pi;

            String result = n>perimeter?"No":"Yes";
            System.out.println(result);
        }
    }
}
